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  1. MOPARJ

    [FOR SALE] 1973 Plymouth Duster 4 Speed and Fuel Injection

    Car located in Ventura County, Southern California. 1973 Plymouth Duster. Original 318 2bbl/904 car. I have had and enjoyed this car since 2006. It has a clean title in my name and has always been garaged. All new engine bay wiring/harness. Now a warm 318, with FiTech fuel injection...
  2. MOPARJ

    Police Wheels on 73 Duster

    Looking to put some Wheel Vintiques 15x7 police wheels on the front of my 1973 Duster, and 15x8 on the rear. Both have 4” backspacing. The rear is a stock A body 8 ¼ with drums and the front brakes are stock rotors. Does anyone see any potential fitment issues? Rear tires are 255/60/15s.
  3. MOPARJ

    Rally Wheel Backspace

    Looking to put 15x8 Wheel Vintique rally wheels on the rear of my 73 Duster. The ones I am looking at are 4.5" backspace. Will this work ok with stock height rear, SS springs with a leaf removed on each side, 255/60/15 rear tires? Or do I need another backspace? I will be running 15x7s in the front.
  4. MOPARJ

    [WANTED] 15x7 and 15x8 BBP Steel Wheels

    I am looking for a set of 15x7 steel wheels for the front of my 73 Duster, to be used with 225/70/15 tires AND two 15x8 steel wheels for the rear. Big bolt patter 5 x 4.5 required. I am open to any condition, but pics would be great. I am located in Ventura County, here in California, so...
  5. MOPARJ

    Torq Thrust D 15x8.5 rear wheels

    Looking to put a set of 15x8.5 Torq Thrust D wheels on the rear of my Duster, with 3.750" backspacing. The tire is a 255/60/15. Should I be okay and not in danger of not fitting or rubbing, or should I move down to 15x8?
  6. MOPARJ

    Ertl/American Muscle 1:18 diecast

    I am always interested in older muscle Mopar 1:18 scale diecasts built by Ertl and American Muscle. If anybody has some that they are trying to rid of or a collection of them, feel free to post here or PM me!
  7. MOPARJ

    Pinion Angle/Tailshaft Bushing

    Working on my 4 speed Dart with minor humming, grumbling vibration in 4th above 2000 rpm/55 mph. Still there when in neutral gliding but reduced. Can feel roughness when pushing clutch in at that speed. It is noticed in the float zone of the throttle while cruising only and from the trans...
  8. MOPARJ

    Tailshaft bushing

    Is it ok to drive with a minor grumble/resonance at highway speed caused by a worn tailshaft bushing? Side the side play is present, but not more than .025”. Rest of drivetrain, ujoints, and driveshaft are all new/rebuilt and angles are correct, and engagement into trans is ok. The 833 OD has...
  9. MOPARJ

    255/60/15 alternative?

    Currently running 255/60/15 on 15x7 Torq Thrust Ds. What other size is very comparable, with little to no variance in height or width? Looking for a tire size with a few more options than Cooper Cobras or BFGs.
  10. MOPARJ

    Minor rear vibration.......

    Recently switched over to 3.91 gears in my 8 ¼ rear behind my mild 318 and A-833 OD trans and received some vibration at speed, likely due to overspeed. The driveshaft was rebalanced and new u joints were added. It is the stock diameter driveshaft. Most of the severe vibration is gone, except...
  11. MOPARJ

    Will these wheels work?

    Looking to install these 15x7 Cragars on the front, and 15x8 on the rear of my Duster. The front tires are 225/60/15 and the rears are 255/60/15. See any reasons why they shouldn't work? I am not a big fan of my current Torq Thrusts; they are rather rough, particularly at highway speeds and not...
  12. MOPARJ

    Driveline vibration

    Just upped from 3.21 to 3.91 gears in my 8.25 rear in my Duster. Running a A833 OD trans, 255/60/15 rear tires, and stock diameter driveshaft. Everything in front suspension is good and ujoints are good. Balancer is good Immediately after the gear change by a reputable rear shop, I noticed a...
  13. MOPARJ

    73 Duster Front Sway Bar?

    What is a good, economically priced sway bar to install on the front of a 73 Duster that didn’t come with a front sway bar? What modifications are needed for the install as well? Anything major? All suspension components are fresh, replaced within the last year, although steering box is a tad...
  14. MOPARJ

    A-833 OD gets stuck in second while driving

    My A-833 OD gets stuck in between second and third every once in a while upon shifting to 3rd. When this occurs, the car is stuck in second until I get to a stop, crawl under and push the linkage back to neutral. Most of the time, once freed up, I can drive away normally until it happens again...
  15. MOPARJ

    Driveline vibration at speed

    Been noticing a driveline vibration in the Duster. Running a A-833 OD trans with a 8 ¼ rear with 3.21 Sure Grip. Tires are 255/60/15. At speeds above 73 mph, I feel a pulsating vibration in the driveline, much more present on deceleration. It isn’t severe by any means, but it is there. Upon...
  16. MOPARJ

    What gears with OD A-833?

    Running an overdrive A-833 in my Duster with warm 318. There is a 3.21 sure grip setup in the 8.25 rear with 255/60/15 tires. The first gear is pretty decent in the trans and pulls nice. Cruises at 2000 rpm at 72mph. Should I move up to 3.91s or stay where I am at? I do plenty of highway driving...
  17. MOPARJ

    Starter spacer

    Recently put a 4 speed OD unit behind my 318. Using a late model Ram starter, which now makes a grinding noise because it is too close to the flywheel. Is there a spacer out there to put between the starter and the bellhousing to cure it?
  18. MOPARJ

    Steel Fuel line?

    Currently running a 600 cfm 1405 Edelbrock carb on top of a Performer intake on a 318 with no ac on a 73 Duster. I would like to at least run mostly steel fuel line from pump to carb, with the steel filter midway online as it is currently. As of now, I'm running all rubber hose but I'm tired of...
  19. MOPARJ

    3 point seat belt modification

    Looking at putting more modern 3 point seat belts in my 73 Duster with a buddy bench seat. The existing shoulder belts are gone currently, but the tapped holes are still in the roof for mounting. Only the lap belt has been used for the last ten years, but I'm getting older and more aware of not...
  20. MOPARJ

    Strange Metallic Whirring Noise

    For the last year, the my warmed over 318 has been making an odd whirring noise from what seems to be the lower rear vicinity of the engine. Oil pressure has been great and I have racked up over 4000 miles on the engine ever since I began noticing it. Also adding to things, it may occur or be...
  21. MOPARJ

    Thermal clutch noise

    Currently running a Hayden severe duty/heavy duty thermal fan clutch on my 318 for the past several months and I'm a little tired on the noise. Every time it is started when warm, it will whirr for a bit at engine speeds above 1500 rpm for a few moments and it seems like it is engaged between...
  22. MOPARJ

    Torq Thrust wheel sizing

    Currently running 15" cragars on my 73 Duster. Not sure if they are 15x7 all of the way around, or 15X8 on rears. Front tires currently are 215/60/15 and 255/60/15 on rear. Looking to go to traditional torq thrusts instead for wheels. Should I use 15x6 or 15x7 all of the way around or use 15x7...
  23. MOPARJ

    Converter stall speed recommendations

    What stall speed would you all recommend for a warm 318 Duster, used for street driving only, with 3.91 gears. I would like to keep it as economical as possible with the gears (it's all relative of course). 2200 rpm range and a 10" converter? There will be some freeway driving at speeds no...
  24. MOPARJ

    [SOLD] 1972 Plymouth Scamp

    For sale is my 1972 Plymouth Scamp. Light Green, with green interior. Originally a vinyl top car, which was removed. Three owner California car with no meaningful body rust. A few minor rust pinholes found in trunk, but can be easily repaired with a trunk pan. 46,500 original miles. Left rear...
  25. MOPARJ

    Odd Noise from Trans

    I have noticed while sitting at idle in park or neutral occasionally, once the engine and trans is warm, I hear an odd whirring/slightly squeaky wheel sound coming from the general area of the bellhousing on my 904. It has been doing this for over a year now, or about 4000 miles. Noticed almost...
  26. MOPARJ

    [WANTED] 8 1/4 A Body rear

    Looking for an A Body 8.25 (8 1/4) rear, complete from drum to drum. Ideally 2.76-3.21 gear ratio. Would be interested in driveshaft as well if already compatible length wise with the 8.25 rear. Most likely, I will buy BBP 14x7 rallye wheels to work with bolt pattern of an 8.25 rear. I am...
  27. MOPARJ

    Large Frame Starter

    Will a “large frame” 1.8 starter, which is ½” longer than the small frame 1.5, fit on a 318 in a 1972 Scamp with stock manifolds and a 904?
  28. MOPARJ

    Trans vibration or no?

    What are the thoughts on a cause of minor vibration, more like elevated harmonics between 2800-3100 rpm, either driving or in park or neutral? 318 with 904. Seem like motor mounts, flywheel, flexplate, converter? Above 3100 rpm, I don’t really seem to notice the vibration/harmonics near as much...
  29. MOPARJ

    [WANTED] 73 Duster stock steering wheel

    Looking for a stock, black steering wheel for a 1973 Duster. Needs to be in decent shape and shaft splines in good condition. Needs to be complete. private message with any leads.
  30. MOPARJ

    Steering box bolt failure

    Has anyone else had issues with the bolt threading into the K member to hold the steering box stripping on 73-76 A bodies or any other A body? If so, any fixes (such as self tapping bolt, time sert, ect)? Have this issue on my 73 Duster. The next trick will be trying to get the original but...
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